/*
*  Copyright 2019-2020 Zheng Jie
*
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*  http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*/
package me.zhengjie.service.impl;

import me.zhengjie.domain.BookReview;
import me.zhengjie.utils.ValidationUtil;
import me.zhengjie.utils.FileUtil;
import lombok.RequiredArgsConstructor;
import me.zhengjie.repository.BookReviewRepository;
import me.zhengjie.service.BookReviewService;
import me.zhengjie.service.dto.BookReviewDto;
import me.zhengjie.service.dto.BookReviewQueryCriteria;
import me.zhengjie.service.mapstruct.BookReviewMapper;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import me.zhengjie.utils.PageUtil;
import me.zhengjie.utils.QueryHelp;
import java.util.List;
import java.util.Map;
import java.io.IOException;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.LinkedHashMap;

/**
* @website https://el-admin.vip
* @description 服务实现
* @author ...
* @date 2020-11-08
**/
@Service
@RequiredArgsConstructor
public class BookReviewServiceImpl implements BookReviewService {

    private final BookReviewRepository bookReviewRepository;
    private final BookReviewMapper bookReviewMapper;

    @Override
    public Map<String,Object> queryAll(BookReviewQueryCriteria criteria, Pageable pageable){
        Page<BookReview> page = bookReviewRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder),pageable);
        return PageUtil.toPage(page.map(bookReviewMapper::toDto));
    }

    @Override
    public List<BookReviewDto> queryAll(BookReviewQueryCriteria criteria){
        return bookReviewMapper.toDto(bookReviewRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder)));
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public BookReviewDto findById(Integer bookReviewId) {
        BookReview bookReview = bookReviewRepository.findById(bookReviewId).orElseGet(BookReview::new);
        ValidationUtil.isNull(bookReview.getBookReviewId(),"BookReview","bookReviewId",bookReviewId);
        return bookReviewMapper.toDto(bookReview);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public BookReviewDto create(BookReview resources) {
        return bookReviewMapper.toDto(bookReviewRepository.save(resources));
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void update(BookReview resources) {
        BookReview bookReview = bookReviewRepository.findById(resources.getBookReviewId()).orElseGet(BookReview::new);
        ValidationUtil.isNull( bookReview.getBookReviewId(),"BookReview","id",resources.getBookReviewId());
        bookReview.copy(resources);
        bookReviewRepository.save(bookReview);
    }

    @Override
    public void deleteAll(Integer[] ids) {
        for (Integer bookReviewId : ids) {
            bookReviewRepository.deleteById(bookReviewId);
        }
    }

    @Override
    public void download(List<BookReviewDto> all, HttpServletResponse response) throws IOException {
        List<Map<String, Object>> list = new ArrayList<>();
        for (BookReviewDto bookReview : all) {
            Map<String,Object> map = new LinkedHashMap<>();
            map.put("读者编号", bookReview.getReaderId());
            map.put("心得内容", bookReview.getContent());
            map.put("时间", bookReview.getWriteDate());
            map.put("喜欢(点赞)数量", bookReview.getLikeNum());
            map.put("图书编号", bookReview.getBookId());
            map.put("是否启用 1启用 0未启用", bookReview.getIsEnable());
            map.put("-1:不发表 0:未审核 1:审核失败 2:机器审核未通过,需要进行人工审核 3:机器审核通过 4:人工复核通过", bookReview.getType());
            list.add(map);
        }
        FileUtil.downloadExcel(list, response);
    }
}